io.netty.channel.abstractChannel$AnnotatedSocketException: Network is unreachable: no further information:

im trying to join my friends lan server but it doesnt show up on the multiplayer menu, however when i type her servers ip on direct connect it loads for a second then says: 'io.netty.channel.AbstractedChannel$AnnotatedSocketException: Network is unreachable: no further information:

hopefully anybody can help me.